package com.dxy.yesas2020goals.study.partone.disignprinciple.simpleresponsibility.myinterface;

/**
 * @author victorydeng
 * @Classname CourseImpl
 * @Description CourseImpl 实现类2个不同职责的类而不是一个类中将4个混合起来
 * @Date 2020/2/24 22:43
 * @Created by victorydeng
 */
public class CourseImpl implements ICourseInfo, ICourseManager {

  public String getCourseName() {
    return null;
  }

  public byte[] getCourseVideo() {
    return new byte[0];
  }

  public void studyCourse() {

  }

  public void refundCourse() {

  }
}
